– 1 cup heavy whipping cream – ½ cup powdered sugar – 1 teaspoon vanilla – 8 ounces mascarpone cheese, softened – ½ cup strawberry jam, seedle – ¼ cup Grand Marnier (see notes for options) – ¼ cup water – 1 package ladyfingers (24 count) – 1 pound strawberries, sliced – powdered sugar for sprinkling